From bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 20 Sep 2026 08:15:23 -0700 Subject: Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork() --- Documentation/ABI/testing/sysfs-kernel-mm-cma | 44 +++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-kernel-mm-cma (limited to 'Documentation/ABI/testing/sysfs-kernel-mm-cma') diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-cma b/Documentation/ABI/testing/sysfs-kernel-mm-cma new file mode 100644 index 000000000..aaf2a5d8b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-mm-cma @@ -0,0 +1,44 @@ +What: /sys/kernel/mm/cma/ +Date: Feb 2021 +Contact: Minchan Kim +Description: + /sys/kernel/mm/cma/ contains a subdirectory for each CMA + heap name (also sometimes called CMA areas). + + Each CMA heap subdirectory (that is, each + /sys/kernel/mm/cma/ directory) contains the + following items: + + alloc_pages_success + alloc_pages_fail + +What: /sys/kernel/mm/cma//alloc_pages_success +Date: Feb 2021 +Contact: Minchan Kim +Description: + the number of pages CMA API succeeded to allocate + +What: /sys/kernel/mm/cma//alloc_pages_fail +Date: Feb 2021 +Contact: Minchan Kim +Description: + the number of pages CMA API failed to allocate + +What: /sys/kernel/mm/cma//release_pages_success +Date: Feb 2024 +Contact: Anshuman Khandual +Description: + the number of pages CMA API succeeded to release + +What: /sys/kernel/mm/cma//total_pages +Date: Jun 2024 +Contact: Frank van der Linden +Description: + The size of the CMA area in pages. + +What: /sys/kernel/mm/cma//available_pages +Date: Jun 2024 +Contact: Frank van der Linden +Description: + The number of pages in the CMA area that are still + available for CMA allocation. -- cgit v1.3.1